package com.wey.springboot.interceptor;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.HashOperations;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.stereotype.Component;
import org.springframework.web.servlet.HandlerInterceptor;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

@Component
public class RedisUrlCountInterceptor implements HandlerInterceptor {
  @Autowired
  StringRedisTemplate stringRedisTemplate;

  @Override
  public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
    String uri = request.getRequestURI();
    HashOperations<String, String, Integer> hashOperations = stringRedisTemplate.opsForHash();
    hashOperations.increment("urlCount", uri, 1);
    return true;
  }
}
